The Valve,air,emission Control, cataloged under National Stock Number 2990-01-571-6046, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Deere & Co. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2990-01-571-6046 |
| Primary Part Number | T158495 |
| Item Name | Valve,air,emission Control |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Deere & Co |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| T158495 PRIMARY | Deere & Co (USA) |
| T158495 | Rdo Equipment Pty Ltd (AUS) |
| T158495 | Rdo Equipment Rdo Equipment Pty Ltd (AUS) |
| Reference | Meaning |
|---|---|
| T158495 | 5/9 Secondary reference Rdo Equipment Pty Ltd |
| T158495 | 5/9 Secondary reference Hitachi Construction Machinery Aust Australia Pty Ltd Hitachi Construction Machinery |
NSN 2990-01-571-6046 is a Valve,air,emission Control, manufactured by Deere & Co, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-01-571-6046 has 3 manufacturer part numbers on file: T158495 (Deere & Co), T158495 (Rdo Equipment Pty Ltd), T158495 (Rdo Equipment Rdo Equipment Pty Ltd).
Key specifications for T158495: End Item Identification: AIR CLEANER. 0 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.